Rework gfx::Font by moving platform-specific code into inner classes....

views/controls/button/text_button.cc

 // Copyright (c) 2010 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "views/controls/button/text_button.h"
 
 #include <algorithm>
 
 #include "app/throb_animation.h"
 #include "app/resource_bundle.h"
@@ skipping 372 matching lines @@
 
 void TextButton::UpdateColor() {
   color_ = IsEnabled() ? color_enabled_ : color_disabled_;
 }
 
 void TextButton::UpdateTextSize() {
   int width = 0, height = 0;
   gfx::CanvasSkia::SizeStringInt(
       text_, font_, &width, &height,
       gfx::Canvas::NO_ELLIPSIS | PrefixTypeToCanvasType(prefix_type_));
-  text_size_.SetSize(width, font_.height());
+  text_size_.SetSize(width, font_.GetHeight());
   max_text_size_.SetSize(std::max(max_text_size_.width(), text_size_.width()),
                          std::max(max_text_size_.height(),
                                   text_size_.height()));
   PreferredSizeChanged();
 }
 
 ////////////////////////////////////////////////////////////////////////////////
 // TextButton, View overrides:
 
 gfx::Size TextButton::GetPreferredSize() {
@@ skipping 29 matching lines @@
 
 std::string TextButton::GetClassName() const {
   return kViewClassName;
 }
 
 void TextButton::Paint(gfx::Canvas* canvas) {
   Paint(canvas, false);
 }
 
 }  // namespace views